llvm/cmake/modules/HandleLLVMStdlib.cmake
Jonas Hahnfeld 1d5ec2171f Remove LLVM_ENABLE_LIBCXXABI
libc++.so is now a linker script that includes -lc++abi if necessary.

Differential Revision: https://reviews.llvm.org/D22861

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277714 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-04 10:24:48 +00:00

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915 B
CMake

# This CMake module is responsible for setting the standard library to libc++
# if the user has requested it.
include(DetermineGCCCompatible)
if(NOT DEFINED LLVM_STDLIB_HANDLED)
set(LLVM_STDLIB_HANDLED ON)
function(append value)
foreach(variable ${ARGN})
set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
endforeach(variable)
endfunction()
include(CheckCXXCompilerFlag)
if(LLVM_ENABLE_LIBCXX)
if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
check_cxx_compiler_flag("-stdlib=libc++" CXX_SUPPORTS_STDLIB)
if(CXX_SUPPORTS_STDLIB)
append("-stdlib=libc++"
CMAKE_CXX_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS
CMAKE_MODULE_LINKER_FLAGS)
else()
message(WARNING "Can't specify libc++ with '-stdlib='")
endif()
else()
message(WARNING "Not sure how to specify libc++ for this compiler")
endif()
endif()
endif()